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Finding the Fourth Proportional to 2,347.52, 3,520.13 and 886.79

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Solution

The fourth proportional to 2,347.52, 3,520.13 and 886.79 is: 1,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.52 : 3,520.13 = 886.79 : x
  2. Step 2: Convert to fraction form
    2,347.52/3,520.13 = 886.79/x
  3. Step 3: Cross multiply
    2,347.52x = 3,520.13 × 886.79
  4. Step 4: Simplify right side
    2,347.52x = 3,121,594.05
  5. Step 5: Solve for x
    x = 3,121,594.05/2,347.52
  6. Step 6: Final answer
    x = 1,329.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.